Question: Which of the following is true regarding the command syntax for creating shell scripts? a . All shells use the same commands and command syntax,

Which of the following is true regarding the command syntax for creating shell scripts?
a. All shells use the same commands and command syntax, so a script written for one shell should run
in any shell.
b. The built in commands and command syntax vary by shell family, so there is no guarantee that a
script written in one shell can be run by all other shells.

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